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WO2007031246A3 - Procede de reduction - Google Patents

Procede de reduction Download PDF

Info

Publication number
WO2007031246A3
WO2007031246A3 PCT/EP2006/008809 EP2006008809W WO2007031246A3 WO 2007031246 A3 WO2007031246 A3 WO 2007031246A3 EP 2006008809 W EP2006008809 W EP 2006008809W WO 2007031246 A3 WO2007031246 A3 WO 2007031246A3
Authority
WO
WIPO (PCT)
Prior art keywords
reduction method
relates
valve metal
diluent
vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2006/008809
Other languages
German (de)
English (en)
Other versions
WO2007031246A2 (fr
Inventor
Josua Loeffelholz
Juergen Hilpert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HC Starck GmbH
Original Assignee
HC Starck GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to RU2008114222/02A priority Critical patent/RU2431546C9/ru
Priority to US12/067,063 priority patent/US8623112B2/en
Priority to DE502006008478T priority patent/DE502006008478D1/de
Priority to KR1020087007858A priority patent/KR101319435B1/ko
Priority to CA002622336A priority patent/CA2622336A1/fr
Priority to AU2006291507A priority patent/AU2006291507B2/en
Priority to BRPI0622420A priority patent/BRPI0622420B8/pt
Priority to EP06791958A priority patent/EP1957684B1/fr
Priority to JP2008530394A priority patent/JP5284094B2/ja
Application filed by HC Starck GmbH filed Critical HC Starck GmbH
Priority to AT06791958T priority patent/ATE491049T1/de
Publication of WO2007031246A2 publication Critical patent/WO2007031246A2/fr
Publication of WO2007031246A3 publication Critical patent/WO2007031246A3/fr
Priority to IL189817A priority patent/IL189817A0/en
Anticipated expiration legal-status Critical
Priority to US12/903,737 priority patent/US9030799B2/en
Priority to US14/244,105 priority patent/US9543075B2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/02—Alloys based on vanadium, niobium, or tantalum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H01G9/0525—Powder therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Fats And Perfumes (AREA)
  • Bipolar Transistors (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un métal valve, comprenant la fusion, dans un premier récipient, d'un mélange renfermant un précurseur de métal valve et un diluant. L'invention concerne en outre une poudre fabriquée suivant ce procédé et son utilisation.
PCT/EP2006/008809 2005-09-16 2006-09-07 Procede de reduction Ceased WO2007031246A2 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP2008530394A JP5284094B2 (ja) 2005-09-16 2006-09-07 還元法
DE502006008478T DE502006008478D1 (de) 2005-09-16 2006-09-07 Reduktionsverfahren
KR1020087007858A KR101319435B1 (ko) 2005-09-16 2006-09-07 환원 방법
CA002622336A CA2622336A1 (fr) 2005-09-16 2006-09-07 Procede de reduction
AU2006291507A AU2006291507B2 (en) 2005-09-16 2006-09-07 Reduction method
BRPI0622420A BRPI0622420B8 (pt) 2005-09-16 2006-09-07 Pó de metal de válvula e uso de um pó de metal de válvula
EP06791958A EP1957684B1 (fr) 2005-09-16 2006-09-07 Procede de reduction
RU2008114222/02A RU2431546C9 (ru) 2005-09-16 2006-09-07 Способ восстановления
AT06791958T ATE491049T1 (de) 2005-09-16 2006-09-07 Reduktionsverfahren
US12/067,063 US8623112B2 (en) 2005-09-16 2006-09-07 Processes for preparing valve metal powders, powders prepared thereby and uses therefor
IL189817A IL189817A0 (en) 2005-09-16 2008-02-28 Reduction method
US12/903,737 US9030799B2 (en) 2005-09-16 2010-10-13 Processes for preparing valve metal powders, powders prepared thereby and uses therefor
US14/244,105 US9543075B2 (en) 2005-09-16 2014-04-03 Niobium powders having a particle shape

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005044280.3 2005-09-16
DE102005044280 2005-09-16

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/067,063 A-371-Of-International US8623112B2 (en) 2005-09-16 2006-09-07 Processes for preparing valve metal powders, powders prepared thereby and uses therefor
US12/903,737 Division US9030799B2 (en) 2005-09-16 2010-10-13 Processes for preparing valve metal powders, powders prepared thereby and uses therefor

Publications (2)

Publication Number Publication Date
WO2007031246A2 WO2007031246A2 (fr) 2007-03-22
WO2007031246A3 true WO2007031246A3 (fr) 2007-07-05

Family

ID=37402670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/008809 Ceased WO2007031246A2 (fr) 2005-09-16 2006-09-07 Procede de reduction

Country Status (16)

Country Link
US (3) US8623112B2 (fr)
EP (2) EP1957684B1 (fr)
JP (1) JP5284094B2 (fr)
KR (1) KR101319435B1 (fr)
CN (2) CN101818267B (fr)
AT (1) ATE491049T1 (fr)
AU (2) AU2006291507B2 (fr)
BR (1) BRPI0622420B8 (fr)
CA (1) CA2622336A1 (fr)
DE (1) DE502006008478D1 (fr)
IL (1) IL189817A0 (fr)
PT (1) PT2169086E (fr)
RU (1) RU2431546C9 (fr)
TW (1) TWI419979B (fr)
WO (1) WO2007031246A2 (fr)
ZA (1) ZA200802073B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005781A1 (de) * 2008-01-23 2009-07-30 Tradium Gmbh Phlegmatisierte Metallpulver oder Legierungspulver und Verfahren bzw. Reaktionsgefäß zu deren Herstellung
CN101404212B (zh) * 2008-11-13 2011-09-21 北京七一八友益电子有限责任公司 片式氧化铌固体电解电容器及其制造方法
US8430944B2 (en) 2008-12-22 2013-04-30 Global Advanced Metals, Usa, Inc. Fine particle recovery methods for valve metal powders
GB0902486D0 (en) * 2009-02-13 2009-04-01 Metalysis Ltd A method for producing metal powders
CN103687685A (zh) * 2011-05-16 2014-03-26 波士顿电子材料有限公司 金属粉末和合金的制造和应用
DE102011109756A1 (de) * 2011-08-09 2013-02-14 H.C. Starck Gmbh Verfahren zur Herstellung von Elektrolytkondensatoren aus Ventilmetallpulvern
RU2490347C1 (ru) * 2012-06-01 2013-08-20 Открытое акционерное общество "Чепецкий механический завод" (ОАО ЧМЗ) Способ получения чистого ниобия
JP6086046B2 (ja) * 2013-08-28 2017-03-01 住友金属鉱山株式会社 銀粉の製造方法及び銀粉の製造装置
WO2015100519A1 (fr) * 2013-12-30 2015-07-09 宁夏东方钽业股份有限公司 Procédé de préparation d'une poudre de tantale de qualité appropriée pour condensateurs, à teneur élevée en azote, poudre de tantale préparée selon ledit procédé et condensateur au tantale
JP2017512897A (ja) 2014-02-27 2017-05-25 ニンシア オリエント タンタル インダストリー カンパニー、 リミテッド 高純度タンタル粉末及びその調製方法
CN105084883B (zh) * 2015-08-19 2019-11-19 山东国瓷功能材料股份有限公司 一种高活性镍锌铁氧体材料的制备工艺
JP6362000B1 (ja) * 2017-09-25 2018-07-25 淳 富永 タンタル製造における希釈剤の完全リサイクル
WO2020222995A1 (fr) * 2019-04-29 2020-11-05 Global Advanced Metals Usa, Inc. Poudre d'alliage ti-zr et anode contenant celle-ci
KR102376746B1 (ko) * 2019-11-05 2022-03-21 한국생산기술연구원 금속열환원법을 이용한 탄탈륨의 제련 방법

Citations (2)

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Publication number Priority date Publication date Assignee Title
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
US5442978A (en) * 1994-05-19 1995-08-22 H. C. Starck, Inc. Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions

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US4164417A (en) * 1978-04-28 1979-08-14 Kawecki Berylco Industries, Inc. Process for recovery of niobium values for use in preparing niobium alloy products
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US4149876A (en) * 1978-06-06 1979-04-17 Fansteel Inc. Process for producing tantalum and columbium powder
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DE3330455A1 (de) 1983-08-24 1985-03-14 GfE Gesellschaft für Elektrometallurgie mbH, 4000 Düsseldorf Verfahren zur herstellung von ventilmetallpulver fuer elektrolytkondensatoren und dergleichen
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US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
US5442978A (en) * 1994-05-19 1995-08-22 H. C. Starck, Inc. Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions

Also Published As

Publication number Publication date
EP2169086A1 (fr) 2010-03-31
AU2011201793B2 (en) 2012-11-08
CN101818267B (zh) 2012-10-31
CA2622336A1 (fr) 2007-03-22
CN101268205A (zh) 2008-09-17
TW200724692A (en) 2007-07-01
US9030799B2 (en) 2015-05-12
PT2169086E (pt) 2015-02-17
JP2009508006A (ja) 2009-02-26
BRPI0622420B8 (pt) 2022-07-12
IL189817A0 (en) 2008-08-07
BRPI0622420A2 (pt) 2018-11-13
ZA200802073B (en) 2009-08-26
US9543075B2 (en) 2017-01-10
US20110116965A1 (en) 2011-05-19
BRPI0622420B1 (pt) 2020-11-24
KR20080045255A (ko) 2008-05-22
WO2007031246A2 (fr) 2007-03-22
KR101319435B1 (ko) 2013-10-23
RU2431546C9 (ru) 2013-08-20
US8623112B2 (en) 2014-01-07
RU2008114222A (ru) 2009-10-27
AU2006291507B2 (en) 2011-05-19
JP5284094B2 (ja) 2013-09-11
US20140302338A1 (en) 2014-10-09
CN101818267A (zh) 2010-09-01
US20080254293A1 (en) 2008-10-16
EP1957684A2 (fr) 2008-08-20
RU2431546C2 (ru) 2011-10-20
EP2169086B1 (fr) 2014-11-12
DE502006008478D1 (de) 2011-01-20
EP1957684B1 (fr) 2010-12-08
AU2006291507A1 (en) 2007-03-22
TWI419979B (zh) 2013-12-21
AU2011201793A1 (en) 2011-05-12
ATE491049T1 (de) 2010-12-15

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